A fire burns at the National Museum of Brazil in Rio de Janeiro A fire burns at the National Museum of Brazil in Rio de Janeiro, Brazil September 2, 2018. REUTERS/Ricardo Moraes RICARDO MORAES

Foto: RICARDO MORAES/REUTERS/PIXSELL/REUTERS/PIXSELL

Firefighters try to extinguish a fire at the National Museum of Brazil in Rio de Janeiro Firefighters try to extinguish a fire at the National Museum of Brazil in Rio de Janeiro, Brazil September 2, 2018. REUTERS/Ricardo Moraes RICARDO MORAES

Foto: RICARDO MORAES/REUTERS/PIXSELL/REUTERS/PIXSELL

Firefighters try to extinguish a fire at the National Museum of Brazil in Rio de Janeiro Firefighters try to extinguish a fire at the National Museum of Brazil in Rio de Janeiro, Brazil September 2, 2018. REUTERS/Ricardo Moraes RICARDO MORAES